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Q1. A stone is dropped into a deep canyon and is heard to strike the base 6.8 s after release. How deep is the canyon? The speed of sound waves in air is 343 m/s and an acceleration of gravity is 9.8 m/s2.
Explain answer in units of m
Q2. What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V greatest potential difference operating at 5000 rad/s?
Give response for the answer in W.
A square loop 15.0cm on a side has a resistance of 8.05? . It is initially in a 0.395T magnetic field, Calculate the electric energy dissipated in this process
Explain how can an employee embezzle funds in an automated invoicing / purchasing accounting information system without being caught and recommend a potential control mechanism to detect the embezzlement.
When the cylinder is rotating at 2.0 revolutions per second, determine the magnitude of the centripetal acceleration at the outer wall?
Gas in a container is at a pressure of 1.1 atm and a volume of 8.0 m3. What is the work done by the gas if (a) it expands at constant pressure to twice its initial volume
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
A 170-turn circular coil has diameter 5.05cm and resistance 1.20? . A magnetic field perpendicular to the coil is changing at 1.20T/s
An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs, What is the man's speed at the instant he depresses the platform 0.120 m
The tropical year, the time from vernal equinox to the next vernal equinox, Find the number of seconds in one half of a tropical year
An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg. It is anchored to the sea bottom by a cable.
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
Calculate the irradiance on earth due to radiation from the sun
An aircraft weighing 812 N is accelerated at 11.8 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant
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